CN217369128U

CN217369128U - Cross type roller screen

Info

Publication number: CN217369128U
Application number: CN202221065304.2U
Authority: CN
Inventors: 刘彦; 吕标亮
Original assignee: Xinxiang Tiangong Mechanical Equipment Co ltd
Current assignee: Xinxiang Tiangong Mechanical Equipment Co ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-09-06
Anticipated expiration: 2032-05-06

Abstract

The utility model provides a cross type roller screen, which belongs to the technical field of screening equipment, and comprises a screen box with a feed inlet and a discharge outlet, wherein a plurality of screen shafts are obliquely arranged in the screen box from the feed inlet to the discharge outlet, round screen plates are equidistantly arranged on each screen shaft, the round screen plates on two adjacent screen shafts are mutually staggered and mutually inserted to form a cross type screen plate net, two sides of the screen box are respectively provided with a driving mechanism for driving the two adjacent screen shafts to move in a rubbing hand mode, a coal scraping plate for cleaning the round screen plates to avoid material adhesion is obliquely arranged below the screen shaft closest to the discharge outlet, the round screen plates on the screen shafts are also mutually rotated and screen raw coal, one part of the screened raw coal is discharged from the discharge outlet, the other part of the screened raw coal falls below the cross type screen plate, and further the situation that the screen plate has hole blockage is avoided, and the service life is long, and the production efficiency is improved.

Description

Cross type roller screen

Technical Field

The utility model relates to a screening equipment technical field, concretely relates to cross type roller bearing sieve.

Background

When raw coal is screened in a coal washing plant of a coal mine, a vibrating screen and a rotary screen are generally used, but the vibrating screen and the rotary screen cannot be used for efficiently screening large-volume raw coal with fine granularity, the existing vibrating screen used for coking prepared coal in a steel mill and coking plants is 3.5-5 mm in grading granularity, a polyurethane screen plate is adopted, the raw coal is broken after being used for 4-6 months, the service life is short, the condition of screen hole plugging can occur in the screening process, and the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a crossing roller screen can not only carry out quick screening to large amount of raw coal, has improved production efficiency moreover.

In order to solve the technical problem, the utility model provides a cross type roller screen, including the sieve case that has feed inlet and discharge gate, be provided with a plurality of sieve axles by feed inlet department to discharge gate department slope in the sieve incasement, every sieve is epaxial to be equidistantly provided with round sieve piece, and two adjacent epaxial round sieve pieces of sieve are crisscross each other and insert each other to this forms cross sieve piece net, the both sides of sieve case are provided with respectively and are used for driving two adjacent sieve axles and are the actuating mechanism who rubs with the hands formula motion, distance the nearest sieve axle below slope of discharge gate is provided with and is used for carrying out the coal scraping board that clears up in order to avoid the material to bond to round sieve piece.

Preferably, the number of screen shafts is sixteen.

Preferably, the driving mechanism comprises a motor support, a driving motor for driving the sieve shaft to rotate is arranged on the motor support, one end of the driving motor is connected with a speed reducer, and the speed reducer is connected with the sieve shaft through a coupler.

Preferably, the two sides of the screen box are respectively provided with a bottom support for mounting the speed reducer.

Preferably, the coal scraping plate is a steel plate.

Preferably, the coal scraping plate comprises a supporting plate and cleaning plates vertically and fixedly connected with the supporting plate, and the cleaning plates are equidistantly arranged on the supporting plate.

Preferably, a ferry plate for rolling the raw coal onto the screen mesh is obliquely arranged at the feed port in the screen box.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows: when large amount of raw coal needs to be screened, the raw coal is poured into the feeding hole and flows to the cross type screen piece net through the transition plate to be screened, the driving motor drives the speed reducer to rotate, the speed reducer drives the screen shaft to rotate through the coupler, the round screen pieces on the screen shaft also rotate mutually and screen the raw coal, one part of the screened raw coal is discharged from the discharging hole, the other part of the screened raw coal falls below the cross type screen, the condition that the screen is blocked is avoided, the service life is long, and the production efficiency is improved.

Drawings

Fig. 1 is a front view of an embodiment of a cross roller screen of the present invention;

fig. 2 is a schematic side view of the cross roller screen of the present invention;

fig. 3 is a schematic diagram of the structure of the two adjacent sieve shafts of the present invention.

In the figure: 1. a feed inlet; 2. a discharge port; 3. a screen box; 4. a screen shaft; 5. a circular screen sheet; 6. a coal scraping plate; 601. a support plate; 602. cleaning the plate; 7. a motor bracket; 8. a drive motor; 9. a speed reducer; 10. a bottom support; 11. a cab apron; 12. a coupling is provided.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 3 of the embodiments of the present invention. It is to be understood that the embodiments described are some, not all embodiments of the invention. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.

As shown in fig. 1-3: crossing roller screen, including the sieve case 3 that has feed inlet 1 and discharge gate 2, be provided with a plurality of sieve axle 4 by the slope of feed inlet 1 department to discharge gate 2 department in the sieve case 3, every sieve axle 4 equidistance is provided with round sieve piece 5, round sieve piece 5 on two adjacent sieve axles 4 are crisscross each other and insert each other, form crossing sieve piece net with this, the both sides of sieve case 3 are provided with respectively and are used for driving two adjacent sieve axles 4 and are the actuating mechanism who rubs with the hands formula motion, sieve axle 4 below nearest 2 below slopes to be provided with and are used for carrying out the coal scraping board 6 that clears up in order to avoid the material bonding to round sieve piece 5.

In this embodiment, the number of the screen shafts 4 is sixteen, and in other embodiments, the number of the screen shafts may be eighteen.

In this embodiment, actuating mechanism includes motor support 7, is provided with on motor support 7 to be used for driving sieve axle 4 pivoted driving motor 8, and driving motor 8's one end is connected with speed reducer 9, and speed reducer 9 passes through shaft coupling 12 and is connected with sieve axle 4, and driving motor 8, speed reducer 9 directly link with sieve axle 4, have guaranteed the reliability of operation.

In this embodiment, the two sides of the screen box 4 are respectively provided with a bottom support 10 for installing the speed reducer 9.

In this embodiment, the coal scraping plate 6 is a steel plate.

In this embodiment, the coal scraping plate 6 includes a supporting plate 601 and a cleaning plate 602 vertically fixedly connected to the supporting plate 601, and the cleaning plate 602 is equidistantly disposed on the supporting plate 601.

In this embodiment, a ferry plate 11 for rolling the raw coal onto the screen mesh is obliquely arranged at the feed port 1 in the screen box 4.

The utility model discloses a theory of operation: when large amount of raw coal needs to be screened, the raw coal is poured into the screen through the feed port 1 and flows to the cross type screen piece through the transition plate 11 to be screened, the driving motor 8 drives the speed reducer 9 to rotate, the speed reducer 9 drives the screen shaft 4 to rotate through the coupler 12, the round screen pieces 5 on the screen shaft 4 rotate mutually and screen the raw coal, one part of the screened raw coal is discharged from the discharge port 2, the other part of the screened raw coal drops below the cross type screen, the condition that the screen is blocked is avoided, the service life is long, and the production efficiency is improved.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A cross roller screen characterized by: including the sieve case that has feed inlet and discharge gate, the slope is provided with a plurality of sieve axles by feed inlet department to discharge gate department in the sieve case, and every epaxial equidistance of sieve is provided with round sieve piece, and two adjacent epaxial round sieve pieces of sieve are crisscross each other and insert each other to this forms crossing sieve piece net, the both sides of sieve case are provided with respectively and are used for driving two adjacent sieve axles and are the actuating mechanism who rubs the hand formula motion, distance the nearest sieve axle below slope of discharge gate is provided with the coal scraping board that is used for clearing up round sieve piece in order to avoid the material to bond.

2. The cross type roller screen of claim 1, wherein: the number of the sieve shafts is sixteen.

3. A cross-type roller screen according to claim 1, wherein: the driving mechanism comprises a motor support, a driving motor used for driving the sieve shaft to rotate is arranged on the motor support, one end of the driving motor is connected with a speed reducer, and the speed reducer is connected with the sieve shaft through a coupler.

4. A cross-type roller screen according to claim 3, wherein: and the two sides of the screen box are respectively provided with a bottom support for mounting a speed reducer.

5. The crossed roller screen according to claim 4, wherein: the coal scraping plate is a steel plate.

6. The crossed roller screen according to claim 5, wherein: the coal scraping plate comprises a supporting plate and a cleaning plate which is vertically and fixedly connected with the supporting plate, and the cleaning plate is arranged on the supporting plate at equal intervals.

7. The crossed roller screen according to any one of claims 1 to 6, wherein: and a ferry plate used for rolling the raw coal onto the screen piece net is obliquely arranged at the feed inlet in the screen box.